package Day05;

import java.util.Arrays;
import java.util.Random;
//数组的排序
public class ArraySort {
    public static void main(String[] args) {
        Random random = new Random();//随机数对象
        int[]arr = new int[10];
        for (int i = 0;i<arr.length;i++){
            arr[i] = random.nextInt(100);//0-99的随机数
            System.out.println(arr[i]);
        }
        Arrays.sort(arr);//对arr数组做升序排列
        System.out.println("排序后：");
        for ( int i = 0;i<arr.length;i++){
            System.out.println(arr[i]);
        }
        System.out.println("倒着输出");
        for (int i = arr.length-1;i >= 0;i--){
            System.out.println(arr[i]);
        }



    }
}
